Motors, Motor Circuits and Controllers, Part VI: Article 430 ... - The FLC for a 15-hp, 208V, three-phase motor is 46.2A. Although 42A is on the motor's nameplate, it is required to use 46.2A when calculating branch-circuit ...

Changing an Induction Motor's Power Supply Frequency Between 50 and ... - Induction motors, both single and polyphase, are designed for use with a particular frequency of AC power. Occasionally we're confronted with a 'wrong' ...